You know there's something seriously wrong with FoI (especially tainted flames) when

I saw your spec, and awesome job man. That type of purifer is actually my first delve into bomb-caster archetype characters:

With Canister Bomb, it actually feels like you’re stacking the first 1s of the DoT’s duration on each bomb cast because of the delay before the explosion. I hardly noticed the difference when I dropped grenado for just canister bomb though.